1
MHT CET 2026 15th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
When the distance of separation between the slit and screen is doubled, the angular separation between fringes in single slit diffraction pattern experiment
A
increases
B
decreases
C
remains same
D
first increases and then decreases
2
MHT CET 2026 15th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
Light of wavelength $\lambda$ is incident on a single slit of width 'a' and the distance between slit and screen is D. In diffraction pattern, if slit width is equal to the width of the central maximum then D is equal to
A
$\dfrac{a^2}{2\lambda}$
B
$\dfrac{a}{2\lambda}$
C
$\dfrac{a^2}{\lambda}$
D
$\dfrac{a}{\lambda}$
3
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A beam of light of intensity $I_0$ falls on a system of three polaroids which are arranged in succession such that the pass (transmission) axis is turned through $60^{\circ}$ with respect to preceding one. The fraction of the incident light intensity that passes through the system is $\left(\cos 60^{\circ}=\frac{1}{2}\right)$

A

$\frac{1}{8}$

B

$\frac{1}{32}$

C

$\frac{1}{16}$

D

$\frac{1}{2}$

4
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Resolving power of a telescope can be increased by increasing

A

the diameter of eyepiece.

B

the wavelength of light.

C

the focal length of eye-piece.

D

the diameter of the objective.

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